Search Results - "Derksen, Harm"

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    Lunar Crater Identification in Digital Images by Christian, John A., Derksen, Harm, Watkins, Ryan

    “…It is often necessary to identify a pattern of observed craters in a single image of the lunar surface and without any prior knowledge of the camera’s…”
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    Quasirandom groups enjoy interleaved mixing by Harm Derksen, Emanuele Viola

    Published in Discrete analysis (04-09-2023)
    “…Quasirandom groups enjoy interleaved mixing, Discrete Analysis 2023:14, 4 pp. In 1985 Babai and Sós asked whether there is a constant $c>0$ such that every…”
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    Continuous sepsis trajectory prediction using tensor-reduced physiological signals by Alge, Olivia P., Pickard, Joshua, Zhang, Winston, Cheng, Shuyang, Derksen, Harm, Omenn, Gilbert S., Gryak, Jonathan, VanEpps, J. Scott, Najarian, Kayvan

    Published in Scientific reports (06-08-2024)
    “…The quick Sequential Organ Failure Assessment (qSOFA) system identifies an individual’s risk to progress to poor sepsis-related outcomes using minimal…”
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    Quadratic Multilinear Discriminant Analysis for Tensorial Data Classification by Minoccheri, Cristian, Alge, Olivia, Gryak, Jonathan, Najarian, Kayvan, Derksen, Harm

    Published in Algorithms (01-02-2023)
    “…Over the past decades, there has been an increase of attention to adapting machine learning methods to fully exploit the higher order structure of tensorial…”
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    Robust segmentation of lung in chest x-ray: applications in analysis of acute respiratory distress syndrome by Reamaroon, Narathip, Sjoding, Michael W, Derksen, Harm, Sabeti, Elyas, Gryak, Jonathan, Barbaro, Ryan P, Athey, Brian D, Najarian, Kayvan

    Published in BMC medical imaging (15-10-2020)
    “…This study outlines an image processing algorithm for accurate and consistent lung segmentation in chest radiographs of critically ill adults and children…”
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    A Signal Processing Approach for Detection of Hemodynamic Instability before Decompensation by Belle, Ashwin, Ansari, Sardar, Spadafore, Maxwell, Convertino, Victor A, Ward, Kevin R, Derksen, Harm, Najarian, Kayvan

    Published in PloS one (12-02-2016)
    “…Advanced hemodynamic monitoring is a critical component of treatment in clinical situations where aggressive yet guided hemodynamic interventions are required…”
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    Learning Using Concave and Convex Kernels: Applications in Predicting Quality of Sleep and Level of Fatigue in Fibromyalgia by Sabeti, Elyas, Gryak, Jonathan, Derksen, Harm, Biwer, Craig, Ansari, Sardar, Isenstein, Howard, Kratz, Anna, Najarian, Kayvan

    Published in Entropy (Basel, Switzerland) (28-04-2019)
    “…Fibromyalgia is a medical condition characterized by widespread muscle pain and tenderness and is often accompanied by fatigue and alteration in sleep, mood,…”
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    Windowed persistent homology: A topological signal processing algorithm applied to clinical obesity data by Biwer, Craig, Rothberg, Amy, IglayReger, Heidi, Derksen, Harm, Burant, Charles F, Najarian, Kayvan

    Published in PloS one (12-05-2017)
    “…Overweight and obesity are highly prevalent in the population of the United States, affecting roughly 2/3 of Americans. These diseases, along with their…”
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    Polynomial degree bounds for matrix semi-invariants by Derksen, Harm, Makam, Visu

    Published in Advances in mathematics (New York. 1965) (13-04-2017)
    “…We study the left–right action of SLn×SLn on m-tuples of n×n matrices with entries in an infinite field K. We show that invariants of degree n2−n define the…”
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    On the Nuclear Norm and the Singular Value Decomposition of Tensors by Derksen, Harm

    Published in Foundations of computational mathematics (01-06-2016)
    “…Finding the rank of a tensor is a problem that has many applications. Unfortunately, it is often very difficult to determine the rank of a given tensor…”
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    Polynomial bounds for rings of invariants by Derksen, Harm

    “…\textsc{Hilbert} proved that invariant rings are finitely generated for linearly reductive groups acting rationally on a finite dimensional vector space…”
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    Invariant Theory and wheeled PROPs by Derksen, Harm, Makam, Visu

    Published in Journal of pure and applied algebra (01-09-2023)
    “…We study the category of wheeled PROPs using tools from Invariant Theory. A typical example of a wheeled PROP is the mixed tensor algebra V=T(V)⊗T(V⋆), where…”
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    The Capacity of Quiver Representations and Brascamp–Lieb Constants by Chindris, Calin, Derksen, Harm

    Published in International mathematics research notices (17-12-2022)
    “…Abstract Let $Q$ be a bipartite quiver, $V$ a real representation of $Q$, and $\sigma $ an integral weight of $Q$ orthogonal to the dimension vector of $V$…”
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    General presentations of algebras by Derksen, Harm, Fei, Jiarui

    Published in Advances in mathematics (New York. 1965) (25-06-2015)
    “…For any finite dimensional basic associative algebra, we study the presentation spaces and their relation with the representation spaces. We prove two theorems…”
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    Generating invariant rings of quivers in arbitrary characteristic by Derksen, Harm, Makam, Visu

    Published in Journal of algebra (01-11-2017)
    “…It is well known that the ring of polynomial invariants of a reductive group is finitely generated. However, it is difficult to give strong upper bounds on the…”
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    Kruskal’s uniqueness inequality is sharp by Derksen, Harm

    Published in Linear algebra and its applications (15-01-2013)
    “…Kruskal proved that a tensor in V1⊗V2⊗⋯⊗Vm of rank r has a unique decomposition as a sum of r pure tensors if a certain inequality is satisfied. We will show…”
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